Home / 151,852.32-209,485.20-98,154.40

Finding the Fourth Proportional to 151,852.32, 209,485.20 and 98,154.40

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Solution

The fourth proportional to 151,852.32, 209,485.20 and 98,154.40 is: 135,407.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,852.32 : 209,485.20 = 98,154.40 : x
  2. Step 2: Convert to fraction form
    151,852.32/209,485.20 = 98,154.40/x
  3. Step 3: Cross multiply
    151,852.32x = 209,485.20 × 98,154.40
  4. Step 4: Simplify right side
    151,852.32x = 20,561,894,114.88
  5. Step 5: Solve for x
    x = 20,561,894,114.88/151,852.32
  6. Step 6: Final answer
    x = 135,407.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.